How to Calculate 2017 Utah State Income Tax by Using State Income Tax Table

1. Find your income exemptions

2. Find your pretax deductions, including 401K, flexible account contributions ...

3. Find your gross income

4. Check the 2017 Utah state tax rate and the rules to calculate state income tax

5. Calculate your state income tax step by step

6. If you want to simplify payroll tax calculations, you can download ezPaycheck payroll software, which can calculate federal tax, state tax, Medicare tax, Social Security Tax and other taxes for you automatically. You can try it free for 30 days, with no obligation and no credt card needed.

Learn more about the in house payroll tax solution for Utah small businesses here.
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Utah State Tax Tables

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 Important Tax Due Dates>

2018 Utah State Tax Witholding Table
2017 Utah State Tax Witholding Table
2016 Utah State Tax Witholding Table
2015 Utah State Tax Witholding Table
2014 Utah State Tax Witholding Table
2013 Utah State Tax Witholding Table
2012 Utah State Tax Witholding Table
2011 Utah State Tax Witholding Table
2010 Utah State Tax Witholding Table

IRS released the new 2018 tax tables on Jan 11, 2018. Employers should implement the 2018 withholding tables as soon as possible, but not later than February 15, 2018.

Current ezPaycheck software clients and ezAccounting software clients can download the latest version for free to update 2018 tax tables.

Tax rate used in calculating Utah state tax for year 2017

State Abbreviation:


State Tax Withholding State Code:


Acceptable Exemption Form:


Basis For Withholding:

Federal Exemptions

Acceptable Exemption Data:

>S, M/Number of Exemptions <

TSP Deferred:


Special Coding:


Additional Information:


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Withholding Formula >(Utah Effective 2017)<
  1. Subtract the nontaxable biweekly Thrift Savings Plan contribution from the gross biweekly wages.
  2. Subtract the nontaxable biweekly Federal Health Benefits Plan payment (s) (includes dental and vision insurance program, and flexible spending account - health care and dependent care deductions) from the adjusted gross biweekly wages.
  3. Add taxable fringe benefits (taxable life insurance, etc.) to the adjusted gross biweekly wages.
  4. Multiply the adjusted gross biweekly wages by 26 to obtain the annual wages.
  5. >Multiply the annual taxable wages by 5.0% to determine the annual gross tax amount.<
  6. >Calculate the annual gross withholding allowance.

    a. Multiply the number of withholding allowances claimed by $125 to determine the annual gross withholding allowance.

    b. Add the following Base Allowance to the annual gross withholding allowance:

    Marital Status: Base Allowance:
    Single $ 250
    Married 375<

  7. >Calculate the annual withholding allowance reduction.

    a. Subtract the following amount from the employee's annual taxable wages, but not less than zero:

    Marital Status: Amount:
    Single $ 12,000
    Married 18,000

    b. Multiply the amount calculated in Step 7a by 1.3% to determine the annual withholding allowance reduction. <
  8. >Subtract the annual withholding allowance reduction from the annual gross withholding allowance, but not less than zero. This is the annual net withholding allowance.<
  9. >Subtract the annual net withholding allowance from the annual gross tax amount to determine the employee's annual net tax.<
  10. Divide the annual Utah tax withholding by 26 to obtain the biweekly Utah tax withholding.

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